【摘 要】
：
In order to investigate the effect of interleukin-18 (IL-18) on airway inflammation in asthmatic murine models and its mechanisms, BALB/C mice were randomly div
【机 构】
：
Department of Respiratory Diseases
【出 处】
：
华中科技大学学报（医学）（英德文版）
论文部分内容阅读
In order to investigate the effect of interleukin-18 (IL-18) on airway inflammation in asthmatic murine models and its mechanisms, BALB/C mice were randomly divided into three groups (n=10 in each group): group A (control group); group B (asthmatic model group); group C (IL-18-treated group). The asthmatic model was established in groups B and C by respiratory syncytial virus (RSV) killed by ultraviolet. Saline solution (0.1 mL) and IL-18 (0.1 mL, 1 μg) were intraperitoneally injected respectively in groups B and C at 7 time points (day 1, 2, 7, 8, 9, 21, 22). The number of eosinophils (EOS) and plasmacytes in the airway was observed. The levels of inter-feron gamma (IFN-γ) in bronchoalveolar lavage fluid (BALF) were measured by ELISA. The results showed that symptoms of asthma in group C were more severe than in groups A and B. In group A,there were no EOS and plasmacytes in the airway submucosa. The number of EOS [15±3 (average cell counts per microscopic visual field, the same below)] and plasmacytes (10±2) in group B were increased significantly. However, the number of EOS and plasmacytes in group C (6±2 and 2±1, re- spectively) was decreased significantly as compared with group B (both P
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